Java SE 14 (March 2020) introduced a limited form of pattern matching as a preview feature, which becomes a permanent feature in Java SE 16 (March 2021).

Learn how to use pattern-matching features in your Java programs, including pattern matching with switch statements, when clauses, sealed classes, and a preview of primitive type pattern matching ...

Java 23 extends import and patterns, but dispenses with string templates In addition to enhanced preview features such as the Class-File API, the JDK brings innovations in pattern matching and ...

Now available for production use, Java 19 features structured concurrency, virtual threads, pattern matching for switch expressions, a vector API, and a Linux/RISC-V port.